<?xml version="1.0" encoding="UTF-8"?>
<metabolite>
  <version>1.0</version>
  <creation_date>2016-09-30 23:09:03 UTC</creation_date>
  <update_date>2020-04-22 15:13:40 UTC</update_date>
  <accession>BMDB0004290</accession>
  <secondary_accessions>
    <accession>BMDB04290</accession>
  </secondary_accessions>
  <name>Isopyridoxal</name>
  <description/>
  <synonyms>
    <synonym>5-Hydroxy-4-(hydroxymethyl)-6-methyl-3-pyridinecarboxaldehyde</synonym>
    <synonym>5-Hydroxy-4-(hydroxymethyl)-6-methyl-nicotinaldehyde</synonym>
    <synonym>5-Hydroxy-4-(hydroxymethyl)-6-methylpyridine-3-carbaldehyde</synonym>
  </synonyms>
  <chemical_formula>C8H9NO3</chemical_formula>
  <average_molecular_weight>167.162</average_molecular_weight>
  <monisotopic_moleculate_weight>167.058243159</monisotopic_moleculate_weight>
  <iupac_name>5-hydroxy-4-(hydroxymethyl)-6-methylpyridine-3-carbaldehyde</iupac_name>
  <traditional_iupac>isopyridoxal</traditional_iupac>
  <cas_registry_number>66-72-8</cas_registry_number>
  <smiles>CC1=NC=C(C=O)C(CO)=C1O</smiles>
  <inchi>InChI=1S/C8H9NO3/c1-5-8(12)7(4-11)6(3-10)2-9-5/h2-3,11-12H,4H2,1H3</inchi>
  <inchikey>GNKXHPULSPWUAK-UHFFFAOYSA-N</inchikey>
  <taxonomy>
    <description> belongs to the class of organic compounds known as pyridine carboxaldehydes. These are aromatic compounds containing a pyridine ring which bears a carboxaldehyde group.</description>
    <kingdom>Organic compounds</kingdom>
    <super_class>Organoheterocyclic compounds</super_class>
    <class>Pyridines and derivatives</class>
    <sub_class>Pyridine carboxaldehydes</sub_class>
    <direct_parent>Pyridine carboxaldehydes</direct_parent>
    <alternative_parents>
      <alternative_parent>Aromatic alcohols</alternative_parent>
      <alternative_parent>Aryl-aldehydes</alternative_parent>
      <alternative_parent>Azacyclic compounds</alternative_parent>
      <alternative_parent>Heteroaromatic compounds</alternative_parent>
      <alternative_parent>Hydrocarbon derivatives</alternative_parent>
      <alternative_parent>Hydroxypyridines</alternative_parent>
      <alternative_parent>Methylpyridines</alternative_parent>
      <alternative_parent>Organic oxides</alternative_parent>
      <alternative_parent>Organonitrogen compounds</alternative_parent>
      <alternative_parent>Organopnictogen compounds</alternative_parent>
      <alternative_parent>Primary alcohols</alternative_parent>
    </alternative_parents>
    <substituents>
      <substituent>3-pyridine carboxaldehyde</substituent>
      <substituent>Alcohol</substituent>
      <substituent>Aldehyde</substituent>
      <substituent>Aromatic alcohol</substituent>
      <substituent>Aromatic heteromonocyclic compound</substituent>
      <substituent>Aryl-aldehyde</substituent>
      <substituent>Azacycle</substituent>
      <substituent>Heteroaromatic compound</substituent>
      <substituent>Hydrocarbon derivative</substituent>
      <substituent>Hydroxypyridine</substituent>
      <substituent>Methylpyridine</substituent>
      <substituent>Organic nitrogen compound</substituent>
      <substituent>Organic oxide</substituent>
      <substituent>Organic oxygen compound</substituent>
      <substituent>Organonitrogen compound</substituent>
      <substituent>Organooxygen compound</substituent>
      <substituent>Organopnictogen compound</substituent>
      <substituent>Primary alcohol</substituent>
    </substituents>
    <molecular_framework>Aromatic heteromonocyclic compounds</molecular_framework>
    <external_descriptors>
      <external_descriptor>a small molecule</external_descriptor>
      <external_descriptor>hydroxymethylpyridine</external_descriptor>
      <external_descriptor>methylpyridines</external_descriptor>
      <external_descriptor>monohydroxypyridine</external_descriptor>
      <external_descriptor>pyridinecarbaldehyde</external_descriptor>
    </external_descriptors>
  </taxonomy>
  <experimental_properties>
    <state>Solid</state>
  </experimental_properties>
  <predicted_properties>
    <property>
      <kind>logp</kind>
      <value>0.04</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logs</kind>
      <value>-1.16</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logp</kind>
      <value>-0.47</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>pka_strongest_acidic</kind>
      <value>9.02</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>pka_strongest_basic</kind>
      <value>4.78</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>iupac</kind>
      <value>5-hydroxy-4-(hydroxymethyl)-6-methylpyridine-3-carbaldehyde</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>average_mass</kind>
      <value>167.162</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>mono_mass</kind>
      <value>167.058243159</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>smiles</kind>
      <value>CC1=NC=C(C=O)C(CO)=C1O</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>formula</kind>
      <value>C8H9NO3</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>inchi</kind>
      <value>InChI=1S/C8H9NO3/c1-5-8(12)7(4-11)6(3-10)2-9-5/h2-3,11-12H,4H2,1H3</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>inchikey</kind>
      <value>GNKXHPULSPWUAK-UHFFFAOYSA-N</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>polar_surface_area</kind>
      <value>70.42</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>refractivity</kind>
      <value>43.87</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>polarizability</kind>
      <value>16.29</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>rotatable_bond_count</kind>
      <value>2</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>acceptor_count</kind>
      <value>4</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>donor_count</kind>
      <value>2</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>physiological_charge</kind>
      <value>0</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>formal_charge</kind>
      <value>0</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>number_of_rings</kind>
      <value>1</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>bioavailability</kind>
      <value>1</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>rule_of_five</kind>
      <value>Yes</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>ghose_filter</kind>
      <value>Yes</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>veber_rule</kind>
      <value>Yes</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>mddr_like_rule</kind>
      <value>Yes</value>
      <source>ChemAxon</source>
    </property>
  </predicted_properties>
  <pathways>
  </pathways>
  <spectra>
    <spectrum>
      <type>Specdb::MsIr</type>
      <spectrum_id>2181</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsIr</type>
      <spectrum_id>2182</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsIr</type>
      <spectrum_id>2183</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>319381</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>319382</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>319383</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>366484</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>366485</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>366486</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2454424</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2454425</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2454426</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2484120</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2484121</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2484122</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>24100</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>38750</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>168927</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>48082</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>48083</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>48084</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>48085</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>48086</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>48087</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>48088</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>48089</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>48090</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>48091</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>48092</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>48093</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>48094</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>48095</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>48096</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>48097</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>48098</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>48099</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>48100</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>48101</spectrum_id>
    </spectrum>
  </spectra>
  <normal_concentrations>
  </normal_concentrations>
  <foodb_id>FDB023359</foodb_id>
  <chemspider_id>389729</chemspider_id>
  <pubchem_compound_id>440899</pubchem_compound_id>
  <kegg_id>C06051</kegg_id>
  <chebi_id>17889</chebi_id>
  <pdbe_id/>
  <knapsack_id>C00007509</knapsack_id>
  <phenol_explorer_compound_id/>
  <meta_cyc_id>CPD-383</meta_cyc_id>
  <drugbank_id/>
  <bigg_id/>
  <wikipedia_id/>
  <metlin_id>7046</metlin_id>
  <synthesis_reference/>
  <general_references>
  </general_references>
  <protein_associations>
  </protein_associations>
</metabolite>
